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Revision history for udpbench udp network benchmarking tool.
1.12
1.11 2024-08-11
* Command line option -C allows to specify a OpenBSD network
pseudo device that is used. The header and packet length
calculation is adopted to print correct statistic values.
* Rework starting remote udpbench via ssh. Pass pseudo device
option also to the other side.
* Print bit per second in statistics with %e to get consistent
output and proper alignment.
1.10 2024-03-29
* Use pkgconf to build on GNU/Linux.
1.09 2024-01-27
* Improve printing status line and explain it in man page.
* Measure final packet after receive timeout.
* Send and receive empty packet before initial delay.
1.08 2023-07-07
* Repeat count is limited to 256.
* Adjust timeout documentation.
1.07 2023-06-13
* All options are allowed on command line for both sides.
This is needed as ssh udpbench sets all options now.
* Implement -d idle to set idle timeout via command line.
Global receive timeout is adjusted by delay and idle.
* Implement -d delay to sleep before sending.
* Implement -N repeat to fork multiple udpbench processes.
* Revert idle timeout calculation. Check idle time every tenth
of a second to make it more reliable.
* Call remote ssh udpbench with full set ot options.
* Option -m mmsglen value 0 explicitly turns multiple messages
off.
1.06 2023-06-05
* Create gpg signature .asc for released .tar.gz files.
* Lot of code cleanup and refactoring.
* Print warning if received packet is truncated or oversized.
* Recv timeout is increaed by 4 on the local side.
* Idle timeout is implemented as 1 second recv timeout.
* Print start and end time in status line.
* Print frames containng IP fragments in status lines.
* Timeout -t 0 disables timeout and runs forever.
1.05 2022-10-04
* With option -m udpbench uses system calls sendmmsg(2) and
recvmmsg(2) instead of send(2) and recv(2).
* Add tests and documentation for mmsg feature.
* Improve recv idle time logic and document it in diagnostics.
* Document recv interrupted system call in diagnostics.
1.04 2022-08-16
* Send hop-by-hop router alert IPv6 extension header with -H.
* Divert mode is only allowed for receiving.
Warning: Option -D for non remote send generates error.
* Sending packets does not abort with EINTR anymore.
1.03 2022-08-10
* Portable GNU makefile for Debian and Ubuntu.
* Fix calculation of frame length for full size IP packet.
* Delay sender with -B bitrate or -P packetrate.
Warning: -d delaypacket has been renamed.
* Print length of IP packets and Ether frames in status line.
Warning: Format of status line has changed.
1.02 2022-08-01
* Option -D receives udp packets from divert raw socket.
* Add minimal test on localhost.
* Set progname to show if error is from send or recv process.
* Start ssh with -nT to avoid stopped background process.
1.01 2022-07-29
* Write man page udpbench(1).
1.00 2022-07-28
* Initial public release.